Wearable projector and intelligent clothing

ABSTRACT

The invention relates to a wearable display means ( 202 ) of projector type and to a garment ( 700 ). The invention relates specifically to a miniature projector ( 202 ), which is worn by the user and whose application is compatible with wearable electronic data processing systems ( 220, 222, 224 ). One concept of the invention is to project the electronic information generated by wearable electronic devices ( 220, 222, 224 ) connected to the projector ( 202 ) in the user&#39;s field of vision by means of the projector ( 202 ). The projector ( 202 ) of the invention is equipped with a matrix consisting of at least one Resonance Cavity LED or a micro-mirror and with electronics ( 300 ) and optics ( 314 ) necessary for projecting. The projector ( 202 ) and the electronic devices ( 220, 222, 224 ) are integrated in the garment ( 700 ) of the invention.

[0001] The invention relates to a wearable display of projector type andto a garment. The invention relates specifically to a miniatureprojector, which the operator may wear and whose operation is compatiblewith wearable electronic data processing systems.

[0002] Various portable electronic devices, such as mobile stations,Personal Digital Assistants (PDA), Global Positioning System (GPS)devices and similar electronic data processing systems have beenincreasingly used lately, and they allow the transmission of informationand services in different modes and large amounts. A user may carrysimultaneously for instance a mobile phone, a PDA drive and a GPSdevice. All these devices usually comprise their individual display,keyboard, power source and a system intended for data transmission, suchas a transceiver and an aerial.

[0003] Owing to current techniques, portable electronic data processingsystems may be made in quite compact sizes, allowing the user to readilycarry for instance several data processing devices. However, thisinvolves the problem that, when the user needs to operate any of thedata processing devices he is carrying, for instance a mobile stationfor reading a message, or a GPS device in order to check the directionor any other information, he has to bring out the device in order toread the message or any other information on the small display of thedevice.

[0004] The displays of portable electronic data processing devices areoften liquid crystal displays, which are very difficult to read in thedark. Yet the displays are generally equipped with some kind ofbackground light for reading in the dark. However, in this connection,there is the additional problem of the user, while using a device of thetype described above, having to hold the device in his hands, so that hecannot do anything else that requires the use of his hands at the sameLime. Moreover, the user has to focus his eyes on the closely located,small and usually poorly visible display. This slows down and hampersuninterrupted movement in a demanding terrain, for instance.

[0005] Various combinations of wearable projectors and associatedauxiliary equipment are known as solutions to the problem mentionedabove. Thus, for instances U.S. Pat. No. 6,140,981 discloses a solutionfor a wearable projector, which consists of two parts: one a displaymeans with an arm intended to be attached on the user's front side, andthe other one a computer to be worn like a rucksack on the user's back.This solution comprises a liquid crystal display and control switchesand buttons for controlling the computer.

[0006] U.S. Pat. No. 6,057,966 discloses a wearable miniature display,which produces an image or a screen that is reflected in the user'sfield of vision. The display means of this arrangement is fitted forinstance in the user's spectacle rim or in any similar arrangement. Thedisplay means consists of an image source unit intended to produce animage, an apparatus intended to transmit the image, which comprises atleast one optical fibre and means for bringing the image into theoptical fibre, and means for passing the image from the optical fibre toa mirror. the image being reflected from the mirror to the user's eyes.The mirror is typically attached to the user's head, at his spectaclelens, with separate means resembling a spectacle rim. In one solutiondescribed in this publication. the mirror may also he a deviceresembling a visor, which is attached in an arrangement that the userwears on his head like a helmet. The image source unit of the displaymeans consists of control electronics, a microphone and a loudspeaker, aliquid crystal display and optics for passing the image into an opticalfibre and from there to a mirror.

[0007] However, the solutions mentioned above involve the problem of arelatively large-sized projector and not being practical in use and nothaving a pleasant aspect. Moreover, a user is frequently hampered in hismovements by wearing the apparatus and the helmet, or the band equippedwith a mirror of the solutions described in these references. Alarge-sized apparatus that the user wears in his garment or otherwiseimpedes work operations and may even cause danger in confined spaces.What is more, a mirror or helmet arrangement worn by the user may limithis field of vision. Finally, the apparatuses of the references areprovided with low-powered liquid crystal displays, which are not visiblein the dark. On the other hand, liquid crystal displays equipped withbackground light entail the problem of unreasonably high powerconsumption.

[0008] The purpose of the invention is to provide a solution forcombining portable data processing devices and a projector that allowsthe user to study the information generated by the data processingdevice without bringing out the device itself. Another purpose of theinvention is to provide a projector that is small-sized, easy to wearand self-luminous. Yet another purpose of the invention is to provide asolution that does not hamper the user's activities in use.

[0009] The purposes of the invention are achieved by combining portableelectronic data processing devices with a separate wearable projectorand by directing the information generated by the devices to beprojected with a projector in the user's field of vision. In addition,the purposes of the invention are achieved by forming the projectordisplay unit of a matrix that comprises at least one Resonance CavityLight Emitting Diode (RC LED) or micro-mirror, and by providing aprojector and devices that can be attached to the user's garment.

[0010] In this conjunction, an RC LED implies a component consisting ofa photodiode made of semi-conductor material that operates on thequantum cavitation theory and emits very bright light when supplied withelectric current. Typical features of an RC LED consist in the lightbeam being directed perpendicularly to the component surface and havinga pure spectrum. The RC LED comprises a micro-cavity made ofsemi-conductor material, where electric current is transformed intolight. The micro-cavity resonates with the light it has generated, sothat the characteristics of emitted light are very markedly modified.

[0011] In this conjunction, a micro-mirror projector stands for aprojector comprising a micro-mirror matrix, which, in turn, comprises atleast one micro-mirror. Each micro-mirror in the micro-mirror matrixequals one image element, the number of which may be e.g. 500,000 withinan area of the size of a button. The light from the projector lamp istypically focussed with a condensing sub-stage to the surface of themirror matrix, from where it is reflected over an objective lens to thesurface to be projected, such as for instance the user's hand, or ascreen. The micro-mirror can typically assume only two positions, in oneof which the light from the lamp is reflected on the screen and themirror is seen as a bright point. In the inverse position, the light isreflected past the lens and the mirror is seen as a dark point on thescreen.

[0012] In this context, a data processing device and system mean adevice and a system allowing electronic data processing or a devicegenerating information that can be displayed with the projector of theinvention. In this description, data processing devices and systemsimply i.a. computers. mobile stations such as GSM, WAP and PDA devices,and also devices using GPRS services and GPS positioning devices. Thedata processing devices and systems described here can be specificallyintegrated in the user's garment.

[0013] The method of the invention for displaying electronic datagenerated by an electronic device with the aid of a projector ischaracterised by comprising steps for

[0014] connecting at least one external electronic device to theprojector worn by the user, generating electronic data acceptable fordisplay with at least one of said electronic devices,

[0015] selecting for projection the electronic data generated by atleast one external electronic device,

[0016] transferring the selected electronic data generated by theelectronic device to a projector to be worn by the user,

[0017] generating from the displayed electronic data an image to beprojected with the projector worn by the user,

[0018] projecting the image formed from the electronic data generated bythe electronic device on a surface in the user's view, with the aid of aprojector worn by the user.

[0019] The projector of the invention for displaying and projecting on asurface data generated by at least one electronic device ischaracterised by said projector being a projector that can be worn bythe user, said at least one electronic device being connected to theprojector and the projector comprising at least one light-emitting meansfor projecting the information to be displayed and also the optics andelectronics necessary for projection.

[0020] The garment of the invention, which comprises at least oneelectronic data processing device and a connected display means fordisplaying information generated by the electronic data processingdevice, is characterised by the display means being a projector.

[0021] A number of preferred embodiments of the invention are describedin the dependent claims.

[0022] The invention achieves marked benefits over prior art solutions.The method of the invention allows for an easy and straightforwardmethod for displaying and reading information generated by portableelectronic data processing apparatuses. The invention enables the userto select the device he desires to be projected in front of him. Thesystem of the invention enables the user to read the informationgenerated by the portable electronic data processing device while he issimultaneously performing some other task. Owing to its small spacerequirement. the method of the invention does not hamper the user'smovements. nor does it limit the user's field of vision.

[0023] Moreover, the invention allows the user to readily controlseveral data processing devices connected to the projector by means ofone single display and control unit. Owing to the self-luminousprojector, the invention allows the information generated by the devicesconnected to the projector to be studied even when it is completelydark. The invention also allows for long charge intervals, given thevery low power consumption of the image-producing unit of the projector.

[0024] The projector of the invention can be carried out in a very smallsize, because the projector. optics can be separated as a physicallydiscrete display unit from the projector electronics. Owing to its smallsize, the projector optics can be integrated, say, in the user'sgarment, requiring an area approximately of the size of a button. Inaddition, the projector of the invention is self-luminous and extremelybright, and is consequently easy to use also when it is dark. The methodof the invention also allows the different projector components to bemutually combined and connected devices to be combined with theprojector, either by wireless means or with conductors incorporated inthe user's garment, so that there will be no suspended wires hamperingthe user's performances.

[0025] Various portable electronic data processing devices. such as forinstance a mobile phone. a GPS positioning device, or a portable PDAdevice, can be combined with the projector of the invention. The devicewhose display the user wishes to project can be selected automaticallyfor instance when the device gives a signal to this effect. This can bedone for instance in a situation where the user receives an e-mail or aShot Message Service in his mobile station. In that case, the mobilestation preferably transmits a signal to the projector, whichautomatically projects the mobile station display in the user's field ofvision, for instance on the ground in front of him. or on his hand,where he may read the message. In accordance with the invention, theuser does not have to check his mobile station separately for anyreceived e-mail or SMS, but the mail/message is automatically projectedthe moment it arrives.

[0026] The user may optionally select the device he wishes to display bymeans of a separate control unit. He may for instance press a switch onthe control unit. and then the projector projects the display of the GPSpositioning device in front of the user. The projected display may forinstance show the user a direction arrow indicating the user's goal,together with the hour and the remaining distance and time. Theprojected display may be seen in front of the user also when he ismoving, so that he can easily practice orienteering in the dark bysimply observing occasionally the display and the arrow and any othernecessary information, which are projected in front of him.

[0027] One object of use of the invention could comprise videoconferences or the display of interesting information on sportsperformances by projecting set of meters on the pavement by means of theprojector of the invention. The projector display could also show thecontrol menus of a data processing device, which would enable the userto choose the functions he desires using an actuator.

[0028] Preferred embodiments of the invention are explained in furtherdetail in the following sections, with reference to the accompanyingdrawings, in which

[0029]FIG. 1 shows a flow diagram of a method for projecting an image inaccordance with the invention,

[0030]FIG. 2 shows an arrangement of the invention for connectingportable data processing systems to the projector of the invention,

[0031]FIG. 3 shows a projector in accordance with the invention,

[0032]FIG. 4 shows a projector in accordance with the invention, inwhich the projector electronics can be detached from the projectoroptics,

[0033]FIG. 5 shows a method of the invention for projecting an image bymeans of the projector of the invention,

[0034]FIG. 6 shows another method of the invention for projecting animage by means of the projector of the invention, and

[0035]FIG. 7 shows a garment in accordance with the invention.

[0036]FIG. 1 shows a flow diagram of a method 100 of the invention forprojecting an image by means of a wearable projector equipped with amatrix consisting of RC LEDs or micro-mirrors. In step 102, at least oneexternal electronic data processing system, such as a mobile phone, aGPS positioning device or a PDA device, is connected to the projector.The external device may be connected for instance by means of a cable oroptionally by wireless means, such as for instance with Blue-Toothtechniques. The projector preferably includes a separate adapter for theconnection of an external device, the projector communicating over theadapter with the external device. The adapter may also be integrated inthe projector electronics.

[0037] In step 104, the external device generates information, which mayconsist e.g. of an SMS received by the mobile phone, a direction orposition indicated by the GPS positioning device, or an electronicmessage or reminder from the PDA device. The information may alsoconsist of electronic information generated by some other electronicdevice connected to the projector. After it has generated electronicinformation. such as for instance an SMS received in the mobile phone,the external device may advantageously transmit a signal to theprojector, which in step 106 can select the device that emitted thesignal and connect itself to project the display of this particulardevice in the user's field of vision. Optionally, in step 106, the usermay pick the projector he desires among the connected devices, thedisplay of this device being subsequently projected in the user's fieldof vision.

[0038] When the particular device has been selected whose display onewants to project. the information generated by the device is transferredto the projector in step 108, with the aid of a cable or an opticalfibre or a wireless connection, for instance. In step 110, the imagingunit of the projector forms an image to be projected from the electronicinformation generated by the external device that it has received, andthe electronic image formed in step 112 is projected in the user's fieldof view. The image can be projected and focussed to the desiredlocation, as for instance a location indicated by the user. the user'shand. a table, a sheet of paper held by the user, or any otherplate-like means. a wall, or on the ground in front of the user. Theimage may comprise any information generated by an external device, suchas for instance various texts, menus, signal arrows, dates and hours.

[0039]FIG. 2 shows an arrangement 200 of the invention for connectingportable data processing systems to the projector 202 of the invention.The devices to be connected to the projector 202 may be any electronicdevices, such as for instance a mobile station 204. a GPS positioningdevice 206 or a PDA device 208. The user may typically connect a deviceof the type mentioned above to the projector 202 for instance byconnecting the device to the Input/Output gate of the projector 202, orto a wire 212, 214, 216 connected to a separate adapter 210, and thenthe projector 202 may adapt its data transmission system to thisparticular device. Various drivers corresponding to the devicesconnected to the projector may also be installed in the projector 202.In addition, the adapter 210 can be connected to the projector 202 forinstance by a cable 218 or optically or over a wire-less radioconnection.

[0040] Optionally, the portable data processing systems connected to theprojector 202 may be modules. such as for instance a GSM module 220 aGPS module 222 or a PDA module 224. The modules may be without a displayand a keyboard, or even without a power source, and then the control ofthe module is performed lot instance with a separate control unit 226,such as a key 228. a joystick 230, a sound control unit 232 or a mouseplate 234, and the display of the module can be projected in the user'sfield of vision with the projector 202 of the invention. The controlunit 226 can be connected to the projector 202 or the adapter 210 forinstance over a wire 236, optically or by wireless means, such as e.g.with Blue-Tooth techniques. The power supply to the module can beperformed for instance over a cable, and then the garment may have aseparate power source, or then the power required is also supplied fromthe power source of the projector. The modules can also be integrated inthe user's garment in advance.

[0041] The modules can be connected to the projector 202 in the same wayas the devices mentioned above by means of fibre-like cables, which maybe integrated in the user's garment. The modules or the other portableelectronic devices of the kind mentioned above can also be connected tothe projector by optical or wireless means, such as e.g. with Blue-Toothtechniques, allowing the projector to connect to the device when thedevice is brought into the vicinity of the projector 202 and has beenidentified by the projector.

[0042] The device connected to the projector may be any electronicdevice, such as a pulsometer or any other sensor determining the user'sbody functions, such as his pulse, temperature, energy consumption, orany similar information. The device connected to the projector may alsobe an external device with which the user may be in data transmissioncommunication, receiving information about his environment or himself orcarry out certain actions.

[0043]FIG. 3 shows a projector 202 of the invention, which typicallycomprises an electronics part 300, a matrix 304 consisting of at leastone RC LED or a micro-mirror 302, and optics for focussing theprojecting ray 306. The optics may consist for instance of a diffractivemeans 308 and at least one lens 310. The projector may also compriseorientation devices 312.

[0044] The projector 202 of the invention has the typical feature of theelectronic part 300 of the projector 202 being removably attachable tothe optics and the matrix 304 of the projector 200, allowing theelectronics part 300 to be positioned apart from the optics and thematrix. Thus the optics and the matrix can be formed as an integratedand very compact display unit, i.e. a projecting means 314. In addition,the projector 202 typically comprises means 316 for fixing the projectorremovably on the user, as for instance to his garment.

[0045]FIG. 4 shows the projector 202 of the invention, where theelectronics part 300 of the projector has been detached from theprojecting means 314 comprising the optics and the matrix of theprojector 202. The projecting means 314 can be fixed discretely from theelectronics part 300. e.g. to the front of the user's garment. such as abutton, collar, tiepin, hat, belt, shoe or any similar suitablelocation. The projecting means 314 can be connected to the electronicspart 300 for instance by wire-less radio connection, optically or over acable 400. The wire-less radio connection may be e.g. a Blue-Toothconnection.

[0046] The electronics part 300 and the projecting means 314 of theprojector 202 comprise fixing means 316 for fixing this part or meansremovably on the user, as for instance to his garment. The fixing means316 may be e.g. means such as a belt, a press stud, an adhesive tape, amagnet or the like. The electronics part 300 and the projecting means314 of the projector 202 may comprise separate fixing means.

[0047] The electronics part 300 of the projector typically comprises atleast one memory unit 402, which comprises both a Random Access Memory(RAM) and a Read Only Memory (ROM), and also some kind of cache. Theelectronics part 300 may also comprise a processor 404 for dataprocessing, a display control unit 406 for forming an image to beprojected and controlling the matrix 304, and also a sensing system 408,which controls the orientation device 312 of the projecting means 314.

[0048] The electronics part 300 may also comprise at least one connector410 for connecting an external device. such as an electronic dataprocessing system or a charger. The electronics part 300 typically alsocomprises an adapter 412 for identifying an external device and foradapting the electronics part 300 to the external device to beconnected, and a power source 414. The electronics part 300 may alsocomprise means, such as a radio transceiver 416, an aerial 418 and e.g.an IR transceiver 420 for connecting an external data processing system,a projecting means 314 and a control unit 226 to the electronics part300 by wireless radio connection or optically.

[0049]FIG. 5 shows the method of the invention for projecting an image500 with the projector of the invention on the ground in front of theuser. Optionally, the image 500, which may be e.g. the display of adevice connected to the projector, can also be projected on a wall. asheet of paper or any surface of sufficient size and evenness, and ofsuitable colour.

[0050] The image 500 can be projected on the ground in front of the userfor instance in a situation where the user is walking with his eyes atleast occasionally focused on the ground immediately in front of him.The image 500 to be projected may be e.g. information on the position,direction and distance Generated by the positioning device. speed data,display of the remaining time, the date or the hour. The image may alsobe the display of information generated by a mobile station or a PDAdevice, such as an SMS received by the mobile station or an electronicmessage. reminder or other information from the PDA device. The imagemay also represent information generated by a system determining theuser's physiological properties, such as his pulse, blood pressure,respiratory frequency or energy consumption. The image may also be theinformation generated by any electronic device that can be connected tothe projector.

[0051]FIG. 6 shows a method of the invention for projecting an image 600on the user's hand 602 with the projector of the invention. Whenever theuser so desires, the image 600 can be projected on the user's hand 602for instance in situations where no suitable surface is otherwiseavailable, or when the user does not want an SMS or similar informationto be seen on the ground, where other people can read it as well.

[0052]FIG. 7 shows a garment 700 of the invention, comprising theprojector 202 of the invention exploded with the projecting means 314fixed to the front of the garment 700 and the electronics part 300placed elsewhere in the garment 700. The garment 700 also containsvarious integrated electronic modules for various data processingpurposes, such as e.g. a GSM module 220, a GPS module 222 and a PDAmodule 224. The garment 700 also comprises a fibre-like wire net 702integrated in the garment 700, the wire net being connected to theelectronics part 300 of the projector and with external electronicdevices being connectable to the wire net 702.

[0053] The garment 700 may also have an integrated separate power source704 or a solar panel 706, which may be connected to the projector 202and the modules 220, 222. 224 over the fibre-like wire net 702integrated in the garment 700. The garment 700 may additionally comprisemeans 708 for charging the power source 704, allowing the user to chargethe power sources 704 in his garment by connecting the charging wire forinstance to an electric plug 710 in the wire net 702 in the garment 700.Optionally. the power sources in the garment 700 can be charged also bymeans of a solar panel system 706 provided in the garment.

[0054] The garment 700 may also comprise at least one loudspeaker 712and a microphone 714, allowing the user to receive an incoming call forinstance in a mobile station or similar module in the garment 700. Theloudspeaker 712 and the microphone are typically connected to theelectronics part 300 of the projector. The garment 700 may additionallycomprise an integrated means for receiving radio programmes, and thenthe radio programme can preferably be announced over the loudspeaker712. The user may also speak in his mobile station over the microphone714, and dictate messages in a device integrated in the garment 700,such as a PDA device or module.

[0055] The garment 700 may further comprise at least on aerial 716,which may project slightly from the garment 700, or optionally theaerial 716 may be integrated in the garment 700. The aerial 716 may beconnected to the electronics part 300 of the projector and over theelectronics part 300 to modules integrated in the garment 700, e.g. overa wire net 702 in the garment 700. The aerial 716 may preferably act asan aerial for all the devices or integrated modules in the garment 700,such as e.g. GPS or GSM modules.

[0056] The garment 700 or the electronic part 300 of the projector mayalso have an interface. such as an optical or wireless connection or acable connection. by means of which the garment 700 or the projector canbe connected for instance to a personal computer for data updating.

[0057] Only a number of preferred embodiments of the invention have beendescribed above. The principle of the invention can naturally be variedwithin the scope of protection defined by the claims, regarding forinstance details of the embodiment and the fields of use. Specifically,most varied electronic devices can be connected to the projector. Thedevices, control units and various projector components can beinterconnected with a cable, e.g. a direct optical connection or with anoptical fibre, by wireless radio connection, or by any other similardata transmission method.

[0058] Moreover, it should be noted that the projector component, thecomponents integrated in the garment and the power sources can bepositioned arbitrarily all over the user's body, and that the garment ofthe invention may be e.g. a shirt, a coat. a pair of trousers, a shoe. aglove or a hat. or any other similar piece of clothing. The piece ofclothing may also be a small bag or belt fixed at the user's waist orelsewhere on his body.

[0059] The projector of the invention may be e.g. a laser projector, avideo projector, a micro-mirror projector equipped with a micro-mirrormatrix (304), the matrix (304) comprising at least one micro-mirror(302) or a projector equipped with an RC LED matrix (304), the matrix(304) comprising at least one resonance cavity LED (302).

1. A method (100) for displaying electronic information generated withan electronic device by means of a projector (202), characterised inthat the method comprises steps for connecting (102) at least oneexternal portable electronic device to the separate wearable projector(202) worn by the user, generating (104) electronic informationacceptable for display with at least one of said electronic devices,selecting (106) for projection the electronic information generated byat least one external device, transferring (108) the selected electronicinformation generated by the electronic device to the projector (202)attached to a garment worn by the user, forming from the electronicinformation to be displayed an image (500, 600) to be projected with theprojector (202) attached to the garment worn by the user, projecting theimage (500, 600) formed from the electronic information generated by theelectronic device on a surface in the user's field of vision by means ofsaid projector (202) attached to the garment worn by the user.
 2. Amethod as defined in claim 1, characterised in that the selection ofinformation to be displayed is performed automatically as the electronicdevice generates a signal.
 3. A method as defined in claim 1,characterised in that the user performs the selection of the externalelectronic device by means of a control unit (226).
 4. A method asdefined in claim 1 or 2, characterised in that the electronicinformation generated by the electronic device is projected on theuser's hand (602).
 5. A method as defined in claim 1 or 2, characterisedin that the electronic information generated by the electronic device isprojected on the ground.
 6. A method as defined in claim 1 or 2,characterised in that the electronic information generated by theelectronic device is projected on a sheet of paper.
 7. A method asdefined in any preceding claim, characterised in that informationgenerated by the electronic device is projected and focused to Thelocation indicated by the user.
 8. A projector (202) for displaying andprojecting on a surface the electronic information generated by at leastone electronic device (204, 206, 208, 220, 222, 224), characterised inthat said at least one electronic device (204, 206, 208, 220, 222, 224)are portable external device, said projector (202) is a separateprojector that can be attached to a garment worn by the user, said atleast one electronic device (204, 206, 208, 220, 222, 224) beingconnected to said projector (202) and the projector (202) comprising atleast one light-emitting means (304) for projecting the information tobe displayed and the projector (304) comprising additionally the optics(308, 310) and the electronics (300) necessary for projecting theinformation to be displayed.
 9. A projector as defined in claim 8,characterised in that said projector (202) is a laser projector
 10. Aprojector as defied in claim 8, characterised in that said projector(202) is a micro-mirror projector.
 11. A projector as defined in claim8, characterised in that said projector (202) is a projector equippedwith a Resonance Cavity LED matrix (304), the matrix (304) comprising atleast one Resonance Cavity LED (302).
 12. A projector as defined in anyof claims 8-11, characterised in that said electronics (300) necessaryfor projection provided in the projector (202) can be connectedremovably to the optics (308, 310) in The projector (202) and to thelight-emitting means (304).
 13. A projector as defined in any of claims8-12, characterised in that said electronics (300) necessary forprojection provided in the projector (202) can be connected to theoptics (308, 310) in the projector (202) and to the light-emitting means(304) by means of a cable (400).
 14. A projector as defined in claim 8or 9, characterised in that said electronics (300) necessary forprojection provided in the projector (202) can be connected to theoptics (308, 310) in the projector (202) and to the light-emitting means(304) over a radio connection (418)
 15. A projector as defined in claim8 or 9, characterised in that said electronics (300) necessary forprojection provided in the projector (202) can be connected to theoptics (308, 310) in the projector (202) and to the light-emitting means(304) by optical means (420).
 16. A projector as defined in any ofclaims 8-15, characterised in that said projector (202) comprisesadapter means (210) for connecting to the projector (202) the externaldevice (204, 206, 208, 220, 222, 224) to be connected to the projector(202).
 17. A projector as defined in any of claims 8-16, characterisedin that said electronic device that can be connected to the projector(202) is a mobile station (204).
 18. A projector as defined in any ofclaims 8-16, characterised in that said electronic device that can beconnected to the projector (202) is a GPS positioning device (206). 19.A projector as defined in any of claims 8-16, characterised in that saidelectronic device that can be connected to the projector (202) is a dataprocessing device (208) of PDA type.
 20. A projector as defined in anyof claims 8-19, characterised in that said electronic device (204, 206,208, 220, 222, 224) that can be connected to the projector (202) can beconnected to the projector (202) by means of a cable (212, 214, 216).21. A projector as defined in any of claims 8-19, characterised in thatsaid electronic device (204, 206, 208, 220, 222, 224) that can beconnected to the projector (202) can be connected to the projector (202)over a radio connection (418).
 22. A projector as defined in any ofclaims 8-19, characterised in that said electronic device (204, 206,208, 220, 222, 224) that can be connected to the projector (202) can beconnected to the projector (202) by optical means (420).
 23. A projectoras defined in any of claims 8-22, characterised in that said projector(202) has means (210, 214) for connecting an external control unit (226)to the projector (202) in order to control the projector (202) and theimage (500, 600) projected by the projector (202).
 24. A projector asdefined in any of claims 10 or 20, characterised in that said cable(212, 214, 216,400) is a cable (702) integrated in a garment (700) wornby the user.
 25. A projector as defined in any of claims 8-24,characterised in that said projector (202) comprises orientation means(312).
 26. A projector as defined in any of claims 8-25, characterisedin that said projector (202) comprises a sensing system (408) forcontrolling the orientation means (312) to project and focus informationgenerated by the electronic device to the location indicated by theuser.
 27. A garment (700) comprising at least one electronic dataprocessing device (204, 206, 208, 220, 222, 224) and a connected displaymeans for displaying information generated by the electronic dataprocessing device, characterised in that the display means is aprojector (202) as defined in any of claims 8-26